31034042143 has 16 divisors (see below), whose sum is σ = 34144911360. Its totient is φ = 28026998496.

The previous prime is 31034042093. The next prime is 31034042161. The reversal of 31034042143 is 34124043013.

It is a cyclic number.

It is not a de Polignac number, because 31034042143 - 2¹⁷ = 31033911071 is a prime.

It is a super-2 number, since 2×31034042143² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31034142143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2012898 + ... + 2028256.

It is an arithmetic number, because the mean of its divisors is an integer number (2134056960).

Almost surely, 2^31034042143 is an apocalyptic number.

31034042143 is a deficient number, since it is larger than the sum of its proper divisors (3110869217).

31034042143 is a wasteful number, since it uses less digits than its factorization.

31034042143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18726.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31034042143 its reverse (34124043013), we get a palindrome (65158085156).

The spelling of 31034042143 in words is "thirty-one billion, thirty-four million, forty-two thousand, one hundred forty-three".